(n) dicotyledon
(n) (general) museum
(n) multicellular organism
(n) perennial plant
(n) objective lens
(n) British Museum
(n) (comp) monographic publication
(n) unicellular organism
monad
(n) a monocotyledon
(n) carbon compounds
(n) geophysics
(n) (comp) serial publication
(n) nitrogen oxide
(n) periodical
(n) standard size mail
(n) (1) natural monument
(2) protected species (animal, habitat, etc.)
(P)
(n) astro-physics
astrophysics
(n) ethology (study of animal behavior)
(n) animal psychology
(n) animal protein
(n) zoogeography
(n) zoogeographical region
(n) biennial plant
(n) (comp) museum
(n) carcinogen
(n) developmental biology
(n) Phylum Magnoliophyta
angiosperms
flowering plants
(n) microbiologist
(n) biodegradation
(n) pathogenic microbe